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Smaragdite
Smaragdite

Common Opal
Common Opal



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Smaragdite
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Common Opal

Smaragdite and Common Opal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.24-3.50
-
None
5.5
NaCa2(Al,Fe)3Si6O18(OH)4
 
-
-
-
1.98-2.50
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Smaragdite and Common Opal Chemical Formula

While comparing Smaragdite and Common Opal physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Smaragdite and Common Opal chemical formula.

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Smaragdite and Common Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smaragdite and Common Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smaragdite Vs Common Opal during the identification of gemstone. Specific gravity of Smaragdite is whereas that of Common Opal is .